Datasheet

Product Change Notice: Revision E and Earlier

If your Serial LCD Display does not have a piezospeaker on the back and looks similar to the image

above, please use the following information and specifications when using this product. All connections,

test code and commands remain the same, except for commands controlling the piezospeaker.

Key Specifications

 Power requirements:

o Non-backlit: +5 VDC, 20 mA

o Backlit: +5 VDC, 20 mA (light off), 80 mA (light on)

 Communication: Selectable asynchronous serial baud rates: 2400, 9600, 19200

 Operating temperature: -4 to +158 °F (-20 to +70°C)

 Dimensions: Board and LCD size and style may vary

o 2x16: Approx. 1.5 x 3.15 in (38 x 80 mm)

o 4x20: Approx. 2.4 x 3.9 in (60 x 100 mm)

REV E CAUTION: DO NOT PROVIDE A SIGNAL TO THE ‘RX’ PIN BEFORE APPLYING 5 VDC TO THE ‘5V’

PIN.

Revision History

Version 3.1: corrected current draw specification on Page 1 from 50 mA to 80 mA.